Ladder



The file of this patent contains a least one drawing/photograph executed in color. Copies of this patent with color drawings/photographs will be provided by the U.S. Patent and Trademark Office upon request and payment of the necessary fee.

FIG. 1 is a front view of a first embodiment of a ladder showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is an enlarged top view thereof;

FIG. 6 is an enlarged bottom view thereof;

FIG. 7 is a front view of a second embodiment of a ladder showing our new design;

FIG. 8 is a rear view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is an enlarged top view thereof;

FIG. 12 is an enlarged bottom view thereof;

FIG. 13 is a front view of a third embodiment of a ladder showing our new design;

FIG. 14 is a rear view thereof;

FIG. 15 is a left side view thereof;

FIG. 16 is a right side view thereof;

FIG. 17 is an enlarged top view thereof;

FIG. 18 is an enlarged bottom view thereof;

FIG. 19 is a front view of a fourth embodiment of a ladder showing our new design;

FIG. 20 is a rear view thereof;

FIG. 21 is a left side view thereof;

FIG. 22 is a right side view thereof;

FIG. 23 is an enlarged top view thereof; and,

FIG. 24 is an enlarged bottom view thereof. 

CLAIM The ornamental design for a ladder, as shown and described. 